package com.hsogoo.ultraman;

import com.hsogoo.ultraman.listener.ConfigChangeListener;

import java.util.Set;

/**
 * Created by za-huangsaigang on 2018/9/13.
 */
public interface Config {

    String getProperty(String key, String defaultValue);

    void addChangeListener(ConfigChangeListener listener);

    Set<String> getPropertyNames();

}
